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Guided Wave Radar

Guided wave radar technology is suitable for the continuous level measurement of liquids and bulk solids. Unaffected by shifts in pressure, temperature or product specific gravity, this technology is ideal for applications with a variety of process applications.

Featured Solutions

  • VEGAFLEX-81

    The VEGAFLEX 81 is a guided wave radar sensor for continuous level and interface measurement of liquids in small vessels under ordinary process conditions. The sensor delivers precise and reliable measurements, even in applications with steam, buildup, foam generation and condensation. Through a large selection of gravity weights, the VEGAFLEX 81 can be also used in standpipes and bypass tubes.

    Your benefit

    • The guided adjustment enables a simple, time-saving and reliable setup
    • Shortenable probes offer a simple standardisation and highest flexibility in the planning
    • Comprehensive diagnostic possibilities ensure a maintenance-free operation and hence a high plant availability

    Application area

    Cable, rod or coaxial sensor. Even in applications with steam, buildup, foam or condensation, the sensor delivers precise and reliable readings – also in standpipes or bypass pipes.

    The ace for level measurement and interface measurement in all liquids

    The VEGAFLEX 81 guided radar sensor is exceptional when it comes to measuring the level or interface of liquids. Guided radar is extremely versatile and can be found in almost every industrial sector. Whether bitumen or liquefied gas, in storage containers or standpipes, in a metering tank or in tank farms – VEGAFLEX 81 measures the level or interface (separation layers) of liquids with great reliability and accuracy.
    Guided radar delivers reliable measurements data for control or safety systems for

    • Level measurement in ammonia storage tanks
    • Level measurement in standpipes
    • Interface measurement in storage tanks, bypass tubes, standpipes

    Storage tank in an ethanol plant

    After going through all process steps, the bioethanol is stored in a tank ready for delivery to the consumer. Accurate measurement of the tank contents is an important prerequisite for fiscal inventory, reliable logistics planning and ensures a sufficient supply for customers. Since the tanks can often not be emptied after an initial filling, maintenance-free operation and setup without product are crucial considerations for the measurement technology.

    Water separator

    The paper web is dewatered in the press and wire section of the paper machine. As the resulting water is removed via vacuum pipelines which are monitored by pressure transmitters to control the vacuum pump. It is also very important to prevent water from getting into the vacuum pump. To achieve this, water separators are built into the feed lines and the separated water is drawn off by a water pump. A continuous level measurement is used to control the level and the pump.

    Separator

    Exact interface measurement in separators is important for ensuring the quality of the separation process. Continuous control of the interface between oil and water ensures that oil is not inadvertently withdrawn instead of water. This saves costs and increases the efficiency of the plant. A vibrating level switch serves as an additional overfill protection mechanism.

    Sour water stripper

    Safe and reliable measurement of the separation layers in the sour water stripper is extremely important in preventing sour water from accidentally getting into other parts of the plant. Sour water is highly corrosive and can cause serious damage over time, leading to safety problems in other process vessels and pipes. The sour water discharged from the stripper is delivered to the desulphurisation plant for further processing.

    Learn about other Guided Wave Radars available at BBP.

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  • VEGAFLEX-82

    The VEGAFLEX 82 allows maintenance-free measurement of light and heavy bulk solids. Even in applications with strong dust generation, condensation or buildup, the sensor delivers precise and reliable measured values. Automatic probe end tracking enables measurement of virtually any kind of bulk solid material.

    Your benefit

    • The guided adjustment enables a simple, time-saving and reliable setup
    • Shortenable probes offer a simple standardisation and highest flexibility in the planning
    • Virtually all bulk solids can be measured with the automatic probe end tracking

    Application area

    Cable or rod sensor. Even in applications with large amounts of dust, condensation or buildup, the sensor delivers precise and reliable readings.

    Guided level radar – ideal for measurement of all bulk solids

    Optimised for measuring bulk solids, VEGAFLEX 82 guided level radar is ideal for use in many different industries – from chemicals to energy, cement plants to plastics manufacture and even grain storage. It is reliable and accurate, even when deployed in the typically difficult conditions of bulk solids measurement, such as dust, noise or varying dielectric constant.
    Guided level radar does an excellent job in bulk solids applications, such as

    • Level measurement in grain silos
    • Level measurement in plastics
    • Level measurement in cement silos

    Buffer tank for spent grain

    Malt is a key component in the production of beer. The malting process at the beginning of the production sequence has a major influence on the character of the resulting beer. After mashing, the malt and other ingredients together with the brewing water are filled from the mash container into the lauter tun and held there for several hours at process temperature. The hot liquid of the wort is then slowly strained through the malt cake and pumped into the wort container. The remaining malt or spent grain from the lauter tun is conveyed into a buffer tank and temporarily stored there. The lauter tun has to be emptied so that production can continue. The buffer tank is therefore a crucial point in the production process not only because it serves as an interim storage facility, but because from there the material is forwarded to the storage silos. Due to the high temperature of approx. 60° C and the high moisture content of the material, a vapour atmosphere of high humidity prevails in the container. This leads to heavy condensation and buildup on the installed measuring probe. From the buffer tank the spent grain is eventually passed on to the storage silos and stored until it is sold as protein-rich animal feed.

    Filling silo for colour pigment

    In the last production step, the finished pigment powders are pneumatically conveyed into packing silos. The conveying system generates very high dust levels and air movement inside the silos. To control the filling process, the levels in the silos need continuous monitoring. A high level detection switch is used for safety shutdown in case of overfilling. The pigment powder is then filled into sacks via the bottom outlet.

    Lime silo II

    For flue gas desulfurization a continuous production of the lime milk is required, the lime is kept on hand in sufficient quantities in large silos. Lime tends to readily adhere to more or less anything, depending on its type and consistency, interfering with equipment like the operation of instruments. A robust, non-susceptible level measurement is therefore absolutely necessary for reliable lime logistics and stocking. That’s why a non-contact measuring instrument that also works well in the very dusty environment is essential here.

    Raw meal silo

    Before being burned in the rotary kiln, the material from the blending bed and the aggregates are ground to a fine raw meal in large mills. The powdery material is then transported to the silo by a pneumatic conveyor system. Reliable monitoring of the level is essential for optimal raw material storage.

    Learn more about Guided Wave Radars available at BBP.

    DOWNLOAD BROCHURE
  • VEGAFLEX-86

    The VEGAFLEX 86 level sensor allows maintenance-free measurement of all liquids under extreme pressure and temperature conditions. Even in applications with buildup, foam generation and condensation, the sensor delivers precise and reliable measured values. In saturated steam applications, a special reference probe ensures a density-independent measurement. The VEGAFLEX 86 offers an economical level and interface measurement for your application.

    Your benefit

    • The guided adjustment enables a simple, time-saving and reliable setup
    • Shortenable probes offer a simple standardisation and highest flexibility in the planning
    • Comprehensive diagnostic possibilities ensure a maintenance-free operation and hence a high plant availability

    Application area

    Cable, rod or coaxial sensor. Its robust, mechanical design and the second process seal, the Second Line of Defense, protect the sensor for demanding measurement tasks. Process temperature: -196 … 450° C; process temperature: -1 … 400 bar

    Level and interface measurement at high pressure and high temperature

    The robust guided radar sensor VEGAFLEX 86 measures the level and interface of liquids at high process temperatures and pressures in tanks of all types. It operates independently of media properties such as density or dielectric constant in widely different vessels, bypasses or boilers. The robust mechanical design and second seal (second line of defense) protect the sensor while it performs demanding measurement tasks in the chemical, petrochemical, energy and oil/gas sectors, e.g.

    • level and interface measurement in distillation columns
    • level measurement in steam boilers
    • level measurement in gas tanks (LPG)

    Condensate storage tanks

    Throughout the different process units, there are storage vessels that collect clean, reusable condensate. This condensate accumulates from the steam system that is used to heat the various hydrocarbon processes. The condensate tanks routinely have extremely high process temperatures, so a level measurement and point level detection are necessary that can withstand this environment.

    Bitumen tank

    Bitumen is an important ingredient in asphalt production. It binds stone aggregates together to form the finished asphalt. To enable cost-effective asphalt production, reliable level measurement and overfill protection in the storage tank is required.

    Steam boiler

    High process pressures and a highly compressed vapour phase are the normal operating conditions inside boilers. The size of the steam generator is what determines the quantity of saturated steam that can be fed into a heat exchanger. Reliable control of the water level and limitation of high and low water levels are therefore extremely important.

    Column trays

    Accurate level control of the distillation unit ensures product quality of the hydrocarbon at the different cuts, but this is made difficult due to hot liquids flashing, buildup and high temperature. Even through process changes reliable level measurement and point level detection are required.

    Learn more about Guided Wave Radars available at BBP.

    DOWNLOAD BROCHURE

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